Finding the Fourth Proportional to 373,815.84, 515,865.72 and 204,049.98

Step by Step Solution

1. Step 1: Write the proportion equation
   373,815.84 : 515,865.72 = 204,049.98 : x
2. Step 2: Convert to fraction form
   373,815.84/515,865.72 = 204,049.98/x
3. Step 3: Cross multiply
   373,815.84x = 515,865.72 × 204,049.98
4. Step 4: Simplify right side
   373,815.84x = 105,262,389,848.69
5. Step 5: Solve for x
   x = 105,262,389,848.69/373,815.84
6. Step 6: Final answer
   x = 281,588.90